html, body {
  background-color: #f5f7f9;
}
.hans-container{
  position: fixed;
  bottom: 100px;
  width: 100%;
  height: 120px;
}
.van-nav-bar {
  background-color: #3296fa;
  .van-nav-bar__title {
    color: #fff;
  }
}

.van-grid {
  margin-top: 50px;
}

.menu {
  height: 78vh;
}